Ignition breakup?
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Ignition breakup?
Hi All,
I recently had my car on a dyno and both the HP and torque lines were wavy when the secondary turbo came online. I've looked at several dyno results and read several threads trying to figure out what could be causing this (if abnormal).
Please take a look and see if this is "abnormal". If so, what could be causing this and how to solve. Ignition breakup?
redbase
I recently had my car on a dyno and both the HP and torque lines were wavy when the secondary turbo came online. I've looked at several dyno results and read several threads trying to figure out what could be causing this (if abnormal).
Please take a look and see if this is "abnormal". If so, what could be causing this and how to solve. Ignition breakup?
redbase
Last edited by redbase; 10-30-08 at 06:38 PM. Reason: add dyno graph
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The reason the car was on the dyno was the PFC was being tuned. I had the turbo replaced with new 99 spec unit and the ASP med SMIC installed and fuel pump upgraded with the Denso unit (Supra). It was tuned to 14 lbs of boost. There was no mention of fuel cut off.
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It does look like ignition breakup to me. Possible solutions would be HKS twin power, quality plug cables, ignition coils. There might be others but thats what I remember offhand.
thewird
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Thanks for your input. I just want to make sure I was putting my attention in the right area to resolve this. I have new plugs. I have debated on an ignition system for a little while but didn't think I needed one. Obviously, I might.
I'm trying for ~350rwhp. My next upgrade will be midpipe with retune of the PFC.
I'm trying for ~350rwhp. My next upgrade will be midpipe with retune of the PFC.
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